U_CAPI void U_EXPORT2
u_parseDelimitedFile(const char *filename, char delimiter,
char *fields[][2], int32_t fieldCount,
UParseLineFn *lineFn, void *context,
UErrorCode *pErrorCode) {
FileStream *file;
char line[300];
char *start, *limit;
int32_t i, length;
if(U_FAILURE(*pErrorCode)) {
return;
}
if(fields==NULL || lineFn==NULL || fieldCount<=0) {
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
return;
}
if(filename==NULL || *filename==0 || (*filename=='-' && filename[1]==0)) {
filename=NULL;
file=T_FileStream_stdin();
} else {
file=T_FileStream_open(filename, "r");
}
if(file==NULL) {
*pErrorCode=U_FILE_ACCESS_ERROR;
return;
}
while(T_FileStream_readLine(file, line, sizeof(line))!=NULL) {
/* remove trailing newline characters */
length=(int32_t)(u_rtrim(line)-line);
/*
* detect a line with # @missing:
* start parsing after that, or else from the beginning of the line
* set the default warning for @missing lines
*/
start=(char *)getMissingLimit(line);
if(start==line) {
*pErrorCode=U_ZERO_ERROR;
} else {
*pErrorCode=U_USING_DEFAULT_WARNING;
}
/* skip this line if it is empty or a comment */
if(*start==0 || *start=='#') {
continue;
}
/* remove in-line comments */
limit=uprv_strchr(start, '#');
if(limit!=NULL) {
/* get white space before the pound sign */
while(limit>start && U_IS_INV_WHITESPACE(*(limit-1))) {
--limit;
}
/* truncate the line */
*limit=0;
}
/* skip lines with only whitespace */
if(u_skipWhitespace(start)[0]==0) {
continue;
}
/* for each field, call the corresponding field function */
for(i=0; i<fieldCount; ++i) {
/* set the limit pointer of this field */
limit=start;
while(*limit!=delimiter && *limit!=0) {
++limit;
}
/* set the field start and limit in the fields array */
fields[i][0]=start;
fields[i][1]=limit;
/* set start to the beginning of the next field, if any */
start=limit;
if(*start!=0) {
++start;
} else if(i+1<fieldCount) {
*pErrorCode=U_PARSE_ERROR;
limit=line+length;
i=fieldCount;
break;
}
}
/* error in a field function? */
if(U_FAILURE(*pErrorCode)) {
break;
}
/* call the field function */
lineFn(context, fields, fieldCount, pErrorCode);
if(U_FAILURE(*pErrorCode)) {
break;
}
}
if(filename!=NULL) {
T_FileStream_close(file);
}
}
U_CAPI void U_EXPORT2
u_parseDelimitedFile(const char *filename, char delimiter,
char *fields[][2], int32_t fieldCount,
UParseLineFn *lineFn, void *context,
UErrorCode *pErrorCode) {
FileStream *file;
char line[300];
char *start, *limit;
int32_t i, length;
if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
return;
}
if(fields==NULL || lineFn==NULL || fieldCount<=0) {
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
return;
}
if(filename==NULL || *filename==0 || (*filename=='-' && filename[1]==0)) {
filename=NULL;
file=T_FileStream_stdin();
} else {
file=T_FileStream_open(filename, "r");
}
if(file==NULL) {
*pErrorCode=U_FILE_ACCESS_ERROR;
return;
}
while(T_FileStream_readLine(file, line, sizeof(line))!=NULL) {
length=(int32_t)uprv_strlen(line);
/* remove trailing newline characters */
while(length>0 && (line[length-1]=='\r' || line[length-1]=='\n')) {
line[--length]=0;
}
/* skip this line if it is empty or a comment */
if(line[0]==0 || line[0]=='#') {
continue;
}
/* remove in-line comments */
limit=uprv_strchr(line, '#');
if(limit!=NULL) {
/* get white space before the pound sign */
while(limit>line && (*(limit-1)==' ' || *(limit-1)=='\t')) {
--limit;
}
/* truncate the line */
*limit=0;
}
/* skip lines with only whitespace */
if(u_skipWhitespace(line)[0]==0) {
continue;
}
/* for each field, call the corresponding field function */
start=line;
for(i=0; i<fieldCount; ++i) {
/* set the limit pointer of this field */
limit=start;
while(*limit!=delimiter && *limit!=0) {
++limit;
}
/* set the field start and limit in the fields array */
fields[i][0]=start;
fields[i][1]=limit;
/* set start to the beginning of the next field, if any */
start=limit;
if(*start!=0) {
++start;
} else if(i+1<fieldCount) {
*pErrorCode=U_PARSE_ERROR;
limit=line+length;
i=fieldCount;
break;
}
}
/* error in a field function? */
if(U_FAILURE(*pErrorCode)) {
break;
}
/* call the field function */
lineFn(context, fields, fieldCount, pErrorCode);
if(U_FAILURE(*pErrorCode)) {
break;
}
}
if(filename!=NULL) {
T_FileStream_close(file);
}
}
